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2. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted mini-split air conditioner was sold in 1968 in Japan by Mitsubishi Electric, where small home sizes motivated their development. The Mitsubishi model was the first air conditioner with a cross-flow fan.

3. Variable refrigerant flow - Wikipedia

   en.wikipedia.org/wiki/Variable_refrigerant_flow

   Variable refrigerant flow. Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller -based ...

4. Seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/Seasonal_energy_efficiency...

   Today there are mini-split (ductless) air conditioner units available with SEER ratings up to 42. [10] [11] During the 2014 AHR Expo, Mitsubishi unveiled a new mini-split ductless AC unit with a SEER rating of 30.5. [12] GREE also released a 30.5 SEER rating mini split in 2015 as well. [13]

5. Toshiba says considering two-way split, sale of air ... - AOL

   www.aol.com/news/toshiba-could-choose-two-way...

   TOKYO (Reuters) -Toshiba Corp is considering splitting in half instead of three and offloading its air conditioning business, the Japanese industrial conglomerate said on Friday, in an attempt to ...

6. Midea Group - Wikipedia

   en.wikipedia.org/wiki/Midea_Group

   Footnotes / references. [1] Midea Group (Chinese: 美的集团; pinyin: Měidì Jítuán) is a Chinese electrical appliance manufacturer, headquartered in Beijiao town, Shunde District, Foshan, Guangdong and listed on Shenzhen Stock Exchange since 2013. As of 2021, the firm employed approximately 150,000 people in China and overseas with 200 ...

7. Toshiba - Wikipedia

   en.wikipedia.org/wiki/Toshiba

   Toshiba has had a range of products and services, including air conditioners, [115] consumer electronics (including televisions and DVD and Blu-ray players), [116] control systems (including air-traffic control systems, railway systems, security systems and traffic control systems), [117] electronic point of sale equipment, [118] elevators and ...